Carausius, AR denarius. London. AD 286-293. 4.43 g. 

IMP CARAVSIVS PF AVG, laureate, draped and cuirassed bust right.
ADVENTVS AVG, Emperor riding left, holding sceptre, right hand raised, captive below.
Mintmark RSR.

RIC V-2, London 535; Webb 585; RSC 5; Shiel 4-6; Sear 13496.
Rated R2.

With permission of Numismatica Ars Classica, May 2007.